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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: YueHaibing <yuehaibing@huawei.com>,
	Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Sasha Levin <sashal@kernel.org>,
	linux-crypto@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 060/371] crypto: brcm - Fix some set-but-not-used warning
Date: Thu, 16 Jan 2020 12:18:52 -0500
Message-ID: <20200116172403.18149-3-sashal@kernel.org> (raw)
In-Reply-To: <20200116172403.18149-1-sashal@kernel.org>

From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 707d0cf8f7cff6dfee9197002859912310532c4f ]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/crypto/bcm/cipher.c: In function 'handle_ahash_req':
drivers/crypto/bcm/cipher.c:720:15: warning:
 variable 'chunk_start' set but not used [-Wunused-but-set-variable]

drivers/crypto/bcm/cipher.c: In function 'spu_rx_callback':
drivers/crypto/bcm/cipher.c:1679:31: warning:
 variable 'areq' set but not used [-Wunused-but-set-variable]

drivers/crypto/bcm/cipher.c:1678:22: warning:
 variable 'ctx' set but not used [-Wunused-but-set-variable]

Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/crypto/bcm/cipher.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 84422435f39b..279e907590e9 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -718,7 +718,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
 	 */
 	unsigned int new_data_len;
 
-	unsigned int chunk_start = 0;
+	unsigned int __maybe_unused chunk_start = 0;
 	u32 db_size;	 /* Length of data field, incl gcm and hash padding */
 	int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
 	u32 data_pad_len = 0;	/* length of GCM/CCM padding */
@@ -1676,8 +1676,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
 	struct spu_hw *spu = &iproc_priv.spu;
 	struct brcm_message *mssg = msg;
 	struct iproc_reqctx_s *rctx;
-	struct iproc_ctx_s *ctx;
-	struct crypto_async_request *areq;
 	int err = 0;
 
 	rctx = mssg->ctx;
@@ -1687,8 +1685,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
 		err = -EFAULT;
 		goto cb_finish;
 	}
-	areq = rctx->parent;
-	ctx = rctx->ctx;
 
 	/* process the SPU status */
 	err = spu->spu_status_process(rctx->msg_buf.rx_stat);
-- 
2.20.1


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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200116172403.18149-1-sashal@kernel.org>
2020-01-16 17:18 ` Sasha Levin [this message]
2020-01-16 17:18 ` [PATCH AUTOSEL 4.14 061/371] crypto: tgr192 - fix unaligned memory access Sasha Levin
2020-01-16 17:19 ` [PATCH AUTOSEL 4.14 073/371] crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments Sasha Levin
2020-01-16 17:21 ` [PATCH AUTOSEL 4.14 196/371] crypto: caam - fix caam_dump_sg that iterates through scatterlist Sasha Levin
2020-01-16 17:21 ` [PATCH AUTOSEL 4.14 210/371] crypto: ccp - fix AES CFB error exposed by new test vectors Sasha Levin
2020-01-16 17:21 ` [PATCH AUTOSEL 4.14 211/371] crypto: ccp - Fix 3DES complaint from ccp-crypto module Sasha Levin
2020-01-16 17:22 ` [PATCH AUTOSEL 4.14 256/371] crypto: ccp - Reduce maximum stack usage Sasha Levin
2020-01-16 17:22 ` [PATCH AUTOSEL 4.14 263/371] crypto: caam - free resources in case caam_rng registration failed Sasha Levin
2020-01-16 17:23 ` [PATCH AUTOSEL 4.14 362/371] crypto: sun4i-ss - fix big endian issues Sasha Levin

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